Samsung SpinPoint HD501LJ 500GB SATA/300 7200RPM 16MB Hard Drive Samsung HD501LJ 500 GB 7200 RPM 16 MB SATA/300 Hard Drive General Features: 500 GB formatted capacity 7200 RPM spindle speed SATA/300 interface 16 MB buffer 8.9 ms average seek time 4.17 ms average latency 3.5-inch form factor Power Specifications: +5V, 0.7A +12V, 0.5A Regulatory Approvals: cULus CE C-Tick BSMI MIC TUV